Light bar



FIG. 1 is a front perspective view of the light bar;

FIG. 2 is a front elevational view of the light bar;

FIG. 3 is a rear elevational view of the light bar;

FIG. 4 is an elevational view of a right end of the light bar;

FIG. 5 is an elevational view of the opposite left end of the light bar;

FIG. 6 is a top plan view of the light bar; and,

FIG. 7 is a bottom plan view of the light bar. 

The ornamental design for a light bar, as shown and described. 